Installed all the latest updates in the lab with Windows Enterprise 7 64-bit and Windows Enterprise 7 32-bit, and at home with Windows 8 Pro 64-bit. All of them were wired. There's been no issues like that here either.

What does the Network and Sharing Center say about the connection?

__________________"The computer programmer says they should drive the car around the block and see if the tire fixes itself." [src]